Digital timers simplify your life by automating repeating parts of your schedule, saving the user time, energy and money. The DZS400BP is a 365/7-day astronomic lighting control timer, ideal for applications in the home, office, factory, church or school. Use a photocell sensor to detect when the ambient light level drops below a programmable threshold, then turn on everything from signage to meeting room lights. Program in up to 99 different on/off settings with unique schedules for each day of the week using the simple interface in order to control lights or appliances exactly as needed. In addition to the astronomic sunset/sunrise programming and the customizable schedule, the DZS400BP also features 24 holiday blocks, automatic daylight savings and leap year adjustment, and a manual override. This timer features 4 independent output channels and contains a supercapacitor that provides 7 days of backup power in the event of a power outage. Additionally, the inrush current limiting technology protects the relay contacts in the event of a surge. This timer is also rated for an operating temperature range of -40Ëš to 158Ëš F. Choose a digital timer from TORK, a pioneer in the time switch industry since 1922.